Purina ONE SmartBlend Natural Large Breed Formula Dry Puppy Food 31.1 Lb. Bag - Purina One Smartblend Natural Large Breed Formula Dry Puppy Food Real Chicken Is The #1 Ingredient Easily Digestible Nutrition With Rice For Your Puppy'S Delicate Stomach High Protein To Support His Strong Muscles And Heart Natural Sources Of Glucosamine Help Support His Growing Joints